#3348 NATIONAL PREVALENCE OF CHRONIC KIDNEY DISEASE AMONG KOREAN ADULTS, 2007–2020, INCLUDING THE COVID-19 PANDEMIC: A KOREAN REPRESENTATIVE SERIAL STUDY

Abstract Background and Aims Little is known about the prevalence of chronic kidney disease (CKD) during coronavirus 2019 (COVID-19) pandemic, as well pandemics’ impact on CKD diagnosis. We aimed to investigate long-term trends in throughout pre- early pandemic periods adults using a nationwide serial survey from South Korea. Method used data 108,152 Korean 2007 2020 obtained representative longitudinal study. defined condition when participant's estimated glomerular filtration rate was <60 mL/min/1.73 m2, one-time spot proteinuria ≥1+ urinary dipstick test according recent guidelines, or previous diagnosis CKD. examined overall study period Results Among included (n = 80,010), national 6.2%. The trend slope gradually increased 2019, however, there sudden decrease (2007–2010, 5.1% [95% confidence interval (CI), 4.7–5.5]; 2017–2019, 7.1% CI, 6.6–7.6]; period, 6.5% 5.7–7.3]; βdiff, -0.19; 95% -0.24–-0.13). among younger those with poor medical utilization significantly decreased pandemic. Conclusion This first large-scale 2020. Our results improve understanding outpatient health service COVID-19 suggest need for governmental support prevent aggravation society. Consequently, nephrology community has potential role pertinent policies reduce public burden by properly allocating limited resources.